Microorganisms: Friend and Foe Flashcards
Learn important info
What are micro organisms?
Organisms that are extremely small and can’t be seen with naked eye / require a microscope to be seen.
What are the major groups of micro organisms?
Bacteria, Fungi, Algae and Protozoa
What are Viruses?
Micro organisms that only reproduce inside other organisms
What micro organism is responsible for Dengue?
Virus
What micro organism is also known as “decomposers”
Fungi
Which scientist discovered fermentation?
Loius Pastuer
Spirogyra and Amoeba are
Algae and Protozoa
Who discovered the first vaccine and for what disease was it?
Edward Jenner discovered the vaccine for small pox.
What are antibiotics used for? What are they not effective against?
To treat or prevent bacterial infections. Eg- Streptomycin. They’re not effective against viral infections, such as the common cold or flu.
Pathogens are __________ causing micro organism.
Disease
What micro organism is used in production of Alcohol? Name the process.
Yeast is used in the production of Alcohol. The process used is fermentation.
Bacteria present in the milk is
Lactobacillus
Edward Jenner noticed that people who cowpox did not
catch the more dangerous smallpox. He used cowpox to see if it could stop people catching smallpox. He carried out this test on several people
(a) Why did he carry out his test on several people instead of just one? Was the method ethical?
b) Smallpox was caused by what type of microorganism?
a) He tested this on several people because different people have different immune system and to confirm his theory. However this method was unethical as he risked the lives of the people to confirm his theory.
b) The disease of small pox is caused by Virus.
What is preservation? How to preserve milk?
The process by which spoilage of food is prevented by adding suitable chemicals or using physical methods is known as food preservation.
Name the condition developed by the consumption of spoiled food.
Food poisoning.
